2VTT

IDENTIFICATION OF N-(4-PIPERIDINYL)-4-(2,6-DICHLOROBENZOYLAMINO)-1H-PYRAZOLE-3-CARBOXAMIDE (AT7519), A NOVEL CYCLIN DEPENDENT KINASE INHIBITOR USING FRAGMENT-BASED X-RAY CRYSTALLOGRAPHY AND STRUCTURE BASED DRUG DESIGN.


X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 6.7
Details 0.1M HEPES/NAOH, PH7.0, 0.0475M AMMONIUM ACETATE, 12% W/V PEG 3350, pH 6.7

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 53.57 α = 90
b = 71.48 β = 90
c = 72.12 γ = 90
Symmetry
Space Group P 21 21 21

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD RIGAKU OSMIC CONFOCAL BLUE --
Diffraction Radiation
Monochromator Protocol
-- SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
ROTATING ANODE RIGAKU RU200HR -- -- --

Data Collection

Overall
Resolution (High) Resolution (Low) Percent Possible (Observed) R Merge I (Observed) R Sym I (Observed) Net I Over Average Sigma (I) Redundancy Number Reflections (All) Number Reflections (Observed) Observed Criterion Sigma (F) Observed Criterion Sigma (I) B (Isotropic) From Wilson Plot
1.68 43 76.2 0.03 -- -- 3.1 -- 24602 -- 0.0 26.931
High Resolution Shell
Resolution (High) Resolution (Low) Percent Possible (All) R Merge I (Observed) R-Sym I (Observed) Mean I Over Sigma (Observed) Redundancy Number Unique Reflections (All)
1.68 1.74 12.8 0.24 -- 1.6 -- --

Refinement

Statistics
Structure Solution Method Refinement High Resolution Refinement Low Resolution Cut-off Sigma (I) Cut-off Sigma (F) Number of Reflections (All) Number of Reflections (Observed) Number of Reflections (R-Free) Percent Reflections (Observed) R-Factor (All) R-Factor (Observed) R-Work R-Free R-Free Selection Details
MOLECULAR REPLACEMENT 1.68 43.0 -- 0.0 -- 24602 1220 76.19 -- 0.2008 0.1994 0.2274 RANDOM
High Resolution Shell
Refinement method Shell Resolution (High) Shell Resolution (Low) # of Reflections (Observed) # of Reflections (R-Free) # of Reflections (R-Work) R-Factor (R-Work) R-Factor (R-Free) R-Factor (R-Free Error) Percent Reflections (Observed)
X Ray Diffraction 1.68 1.78 -- 55 920 0.2402 0.2534 -- 76.19
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 33.88
Anisotropic B[1][1] 0.787488
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] 0.0
Anisotropic B[2][2] -3.48394
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] 2.69645
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 2195
Nucleic Acid Atoms 0
Heterogen Atoms 25
Solvent Atoms 218

Software

Computing
Computing Package Purpose
CRYSTAL CLEAR Data Reduction (intensity integration)
CRYSTAL CLEAR Data Reduction (data scaling)
AMORE Structure Solution
BUSTER-TNT 2.1.1 Structure Refinement
Software
Software Name Purpose
BUSTER-TNT version: 2.1.1 refinement
AMORE model building